Phone (310) 605-5509
Fax Line (310) 605-5598
E-mail: www.comptoncity.org
City of Compton
Building & Safety Department
Non-Residential and Multi-Family
Plan Check Submittal Requirements
The purpose of this form is to provide submittal requirements for residential construction. This is not a
complete list of all required submittals, and additional information may be required to facilitate plan
review. Other City departments and/or public agencies may have to review the plans before permits can
be issued. The final revised set must be submitted in a CD pdf file version, an additional processing fee is
applicable.
Design Criteria:
 Seismic Zone D or provide analysis and calculations from California Registered Engineer.
 Basic velocity 85 mph 3 second gust exposure C or provide wind speed calculations from
California Registered Engineer.
 2013 editions of the California Codes: Building (CBC), Residential (CRC), Electrical (CEC),
Plumbing (CPC), Mechanical (CMC), Fire (CFC), Green Building standards (CGBSC), 2013
Energy Standards (Title 24), and Health and Safety.
 Climate Zone 8.
Drawing Criteria:
 Drawing sizes shall be a minimum of 24” x 36” to a maximum of 30” x 42” inches and all
pages shall be the same size. Plans must be clear and legible; non-legible plans will not be
accepted. Scale shall be 1/4" inch per foot for structural and architectural; 1” inch = 20 feet
for site plans.
 Plans must be wet-signed by the preparer on each page. Architects/ Engineers must affix their
seal and wet-sign (cover sheet of supporting documents to be wet-signed).
Plans:
Two (2) sets of complete building plans/reports and documents are required for the plan check of the
proposed construction. One set will be returned to you as the officially approved job copy. Plan size shall
be 24" x 36" minimum, and 30" x 42" maximum. All dimensions and scales shall be clearly indicated. No
marked, altered, or paste-on plans will be accepted. You may be required to retain a registered architect or
professional engineer to prepare your building plans if plans are inadequate or if required by the Business
and Professional Code, or if required by the Chief Building Official. The following information, if
applicable, shall be included on, or with, ALL plans submitted for buildings and accessory structures:
 The Designer's Name: When the drawings are prepared by a California licensed architect or
registered professional engineer that person must sign and seal all drawings and calculations
as appropriate.
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 Two sets of engineering calculations and reference soils investigations.
 Two sets of specifications, if necessary.
 Two sets of Title-24 Energy Conservation Design Calculations (use copies of forms found in
State's design manual.
Completed set of plans should include the following information:
 Plot Plan – Show the outlines of the Assessor's Tax Parcel and the locations and use of all
existing and proposed buildings. Plan details must include parcel dimensions, building
setbacks from all property lines, distance between buildings, off-street parking, driveways,
sewer lines locations, percentage of the lot covered by buildings, scale of the drawings, and a
north arrow, proposed street widening plan lines, easements, existing and new parking
designations, existing and proposed finish grades, and locations and sizes of site storm,
sewer, water, gas and electrical connections to off-site utility facilities. Document cover sheet
shall include the project address, scope of work, name of owner, date of the plans, the
designer’s name and address, square footage of the existing structure, proposed structure,
tenant improvement, remodel or addition, current editions of building codes, occupancy
group and construction type. Clearly distinguish between what is existing, what is new, what
will remain and what will be removed. Show drainage flow lines away from the structure and
adjacent properties and location of swales. Show easements including public utilities. Show
existing or proposed path of all utilities: electrical, gas, sewer and water location.
 Grading and Drainage Plan (Civil drawings)- Show proposed grades and all storm sewer
lines and inlets.
 Landscape/ irrigation plan.
 Plan delineating all landscape areas, features and requirements
 Planting plan and plant schedule
 Irrigation plan and equipment legend
 Landscape installation specifications
 Elevations - Submit elevations of all sides of the building (north, south, east and west). Show
building height in feet, and indicate the difference in elevation between the highest point of
the structure (not including antennas, etc.) and the highest and lowest ground elevation at the
exterior foundation of the structure. Show exposed materials, canopy projections, roofing,
windows, downspout locations and signs. Identify all exterior building materials. Clearly
distinguish between existing and proposed construction.
 Foundation Plan: Show dimensions and depths into bearing soil of all foundation
components. Indicate foundation anchoring details, hold-downs, straps, reinforcements.
Include structural calculations and specifications for any engineered truss systems. Show
separate floor framing for all stories. Include calculations for beams. Show how loads will be
transferred to the foundation. Any foundation system that deviates from the standard
foundation system described in the California Building Code must bear the seal of a
registered civil or structural engineer or architect and have supporting calculations to
substantiate the design. Foundation design criteria must be in accordance with data provided
in an accompanying soil report.
 Roof Plans - Show roof slope and roof drains. Indicate roof layout, skylights, pitches, slope
directions, types of roof covering, sheathing, and underlayment. Show ridges, hips, valleys,
joist, skylights and the size, spacing and span of the structural members. Show the roof pitch.
Two (2) signed and stamped sets of engineered trusses are required prior to shear inspection.
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 Framing Plans: Submit framing plans for floor, ceiling, wall and roof framing indicating
dimensions, materials, sizes, spacings, spans and connection details of all structural framing
members.
 Cross Sections: Show cross sections for as many areas as necessary to completely describe
the structural layout. Include details for connections, insulation, ceiling heights, framing
members, drywall, and/or other necessary or unusual details.
 Floor Plan - Show locations, sizes and use of rooms, locations of windows and doors, firewalls, and toilet facilities. Also show the following:
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Show size of all openings/swing of doors
Show exiting systems to a public way
Identify rated corridor systems
Show location of all mezzanines and stairways
Show construction information for any tenant walls
Show location of all restrooms and provide details & dimensions depicting compliance
with disable regulations
Identify uses of all rooms
Show location of all required International Symbols of Accessibility Signage (ISA)
Reference to section details
Show smoke detector locations
Show location of electric panels
Identify exit lights/emergency lighting
Show location of fire extinguishers
Seating plan within assembly uses
Details architectural/structural:
Bracing and support details
Hardware
Framing details
Flashing
Section details
Occupancy separation details
Protection of penetrations in rated assemblies
Rated corridors, shafts, and rated floor ceiling/roof ceiling assemblies
Handrails and guardrails along with support details
Door/window schedules (list size and type)
Title 24 mandatory measure for the building envelope
 Construction Details: Detail cross-sections of foundation components, anchoring, structural
member connections, seismic connections, and other pertinent construction details.
 Disabled Access Standards (ADA)- All new construction and additions/alterations shall
comply with the Disabled Access Standards (ADA). Incorporate Disabled Access standards
into plan pages.
 CALGreen Building Standards- All new construction and additions/alterations shall comply
with the CALGreen Building Standards. Incorporate green building standards into plan pages.
 Reflected Ceiling Plans.
 Food equipment plan. Food Equipment Plan and Facility Related Requirements:
 Make, manufacturer and model number of all food equipment
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Water heater information: Type, size, recovery rate, etc.
Storage areas for food, employee garments and cleaning supplies
Interior room finishes
Approved Health Department Plans
 Fire and life safety plan. Fire and Life Safety (Fire Prevention):
 Sprinkler plans with hydraulic calculations
 Fire alarm plans
 Spray booths
 High-piled storage plans to include:
 Draft curtains
 Heat/smoke vents
 Exiting, signs, lights, etc.
 Flammable & hazardous materials
 Fire hydrant placement
 Hose lines
 Existing fire sprinkler design
 Fire extinguishers
 Emergency lighting
 Architectural Details - Show non-structural sections of construction where necessary to show
conformance to Building Code. In particular, those areas of fire protection, special wall
protection, and specifics of public safety.
 Finish Schedule - Show materials to be used for floors, walls, and ceilings of all rooms.
 Door and Window Schedule - Show sizes, types and fire assemblies where required.
 Structural Plans - Show the foundations, exterior and interior wall construction, roof
designs, seismic connections, structural connections (welding, columns, etc) and other details
pertinent to construction of the building.
 Manufacturers' Engineering Reports: These are required for ALL prefabricated structural
framing components.
 Mechanical and Plumbing Plans - complete single line drawing showing positions,
materials and sizes of sewer, water, storm, gas, ventilation and heating equipment, fire
protection systems, and other miscellaneous mechanical devices.
Plumbing plan should include the following:
 Single-line and/or isometric drawings showing location, materials, size, fixture units
and length of:
 Drains/clean outs
 Sand and oil/grease interceptor specifications, sizes and location when applicable
 Water heater/boiler
 Overflow pan
 Vents
 Sewers
 Medical gases
 Waterlines
 Fixtures
 Supports
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Water sizing calculations
Condensate lines
Back-flow preventer
Gas Lines: Provide single-line and /or isometric drawings showing:
Location of all equipment
Size and length of piping
Gas meter location
Type of materials
BTU/hour demands (use 1,000 BTU/CFH)
Mechanical plan should include the following:
 Size and location of all ductwork, plenums, registers, fire/smoke dampers,
smoke detectors, fresh-air intakes, and airflows in CFM. Include support
criteria.
 Size and location of all combustion air openings (when gas equipment is used)
 Size, type and termination of any gas vents
 Details of any rated shafts
 Equipment (show size, weight, attachment details, location and access, and
make and model number). (Note: replacement units in excess of 500 pounds
require structural calculations)
 Indicate which rooms are to be conditioned
 Provide minimum required ventilation per current CBC and Title 24
 Walk-in cooler boxes. (Note: Provide specification sheet (s) for manufactured
and/or details of any site builts)
 Title 24 mandatory measures and mechanical equipment schedules
 Type I/II Hoods (provide the following)
 Construction details of rated shafts
 CFM calculations
 Location, type and size of hood, ducts and equipment
 CFM of exhaust and make-up air
 Type of fire-suppression equipment
 Location of exhaust termination
 Equipment approvals and listings
 Electrical Plans - complete electrical layout to show service diagram, load breakdown, size
of service, and feeder conductors. Provide a fault current letter (AIC) from electrical service
provider (Southern California Edison or Electrical Engineer), incorporate AIC on electrical
plan.
Electrical plan should include the following:
 Exit lights/emergency lighting
 Commercial and industrial buildings services over 800 amps will require engineered
electrical plans
 Single-line diagram (power):
 Service entrance (conduit and wire size)
 AIC rating
 Feeder, conduit, pipe and wire sizes to panels, transformers and fixed equipment
 Main disconnect size
 Grounding electrode and grounding electrode conductor size
 Number of service meters
 Load calculations:
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 Complete CEC load calculation (CEC based on square-foot area, including 125 percent
for continuous load and largest motor)
 Complete panel schedules, actual loads (totaled), with fixture and equipment schedules
(new and existing loads)
 Panel schedules:
 Bus size
 Voltage, phase and amperage
 Breaker size, circuit description and connected KW
 Floor plan showing electrical item location:
 Lighting fixtures and schedule
 Fixed and portable equipment
 HVAC equipment
 New and existing and to be removed
 Receptacles and light switches
 Shop and process equipment
 Panel locations
 Title 24 mandatory measures for lighting
 Exterior lighting plan and fixture details
 Site plan showing:
 Utility transformer location
 Service entrance conduit route
 Parking lot lighting, including pole mounting, fixture type and wattage
 Emergency features:
 Fire pump
 Emergency generator system
Electrical, Plumbing, and Mechanical Permits: These will be required in addition to the building permit,
when applicable. All electrical, plumbing and mechanical plans shall be submitted together with the
building plans at the time of building permit application.
All plans, specifications, reports, or calculations for buildings or structures required to be designed by an
Architect or Engineer licensed by the State of California, shall have his seal, signature and registration
number thereon. (Each sheet of plans to have proper signatures.) Architects and Engineers must also
indicate when their license expires.
Compliance with the above requirements will expedite the issuance of a building permit.
An incomplete plan check submittal may result in delays in your plan check. Submittal will
expire if permit is not issued within 180 days of approval or if applicant fails to respond to
plan review comments.
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